200120202212220 has 72 divisors (see below), whose sum is σ = 611398411631280. Its totient is φ = 52981463600640.

The previous prime is 200120202212137. The next prime is 200120202212239. The reversal of 200120202212220 is 22212202021002.

200120202212220 is a `hidden beast` number, since 20 + 0 + 1 + 202 + 0 + 221 + 2 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200120202212193 and 200120202212202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3999179661 + ... + 3999229700.

It is an arithmetic number, because the mean of its divisors is an integer number (8491644605990).

Almost surely, 2^{200120202212220} is an apocalyptic number.

200120202212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200120202212220 is an abundant number, since it is smaller than the sum of its proper divisors (411278209419060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200120202212220 is a wasteful number, since it uses less digits than its factorization.

200120202212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7998409515 (or 7998409510 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 200120202212220 its reverse (22212202021002), we get a palindrome (222332404233222).

The spelling of 200120202212220 in words is "two hundred trillion, one hundred twenty billion, two hundred two million, two hundred twelve thousand, two hundred twenty".